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    <title>Document</title>
    <style>
        div {
            width: 300px;
            height: 200px;
            /*
            border-width: 5px;边框粗细            
            border-style: solid;边框样式  solid实线边框  dashed虚线边框  dotted点线边框
            border-color: paleturquoise; 边框颜色*/

            border: 5px solid paleturquoise;
        }
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</head>

<body>
    <div>
        纱雾 小埋
    </div>
</body>

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